So basically you are saying that it's harder to understand the basics of SC2 than the ones of WoW?
3 races with ~20 Buildings & 20 units per race - Goal: Destroy the main buildings of the enemy.
12 races, 10 classes ~30-40 abilities per class - Goal: Kill the enemies
Everyone is able to understand SC2, if you just explain the races to them while saying "It's a war in the space, they are fighting until someone is too strong and then kills his buildings!"
No one is able to understand WoW when you say "Ok that's RMP vs 3DPS, they need to watch out for the DK, because the priest will die very quickly if the DK can stack necro strike on him. If he doesn't use trinket for strang, he's 100% dead, but if he runs out of cooldowns the warrior and the paladin are going to destroy him completely. He needs to rely on his rogue to peel off one enemy completely while the mage cc's them long enough to set up a burstcombo together with the rogue. Oh but if they go on another target, then [..]"
Obviously you are biased because you wan't WoW to become a real eSport with weekly tournaments and big offline events - and I can understand that. But let's be honest, this will never happen. If people had to choose between LoL/Dota, SC2 and WoW - WoW would always be the last choice.
You can just buy SC2/Dota and dl LoL and you are able to instantly play the game that you just saw. To play arenas on the other hand, you need to grind up the new toon all the way to level 90 - without heirlooms or any game experience.
The game is just not designed to be an eSport
you clearly do not understand sc2 .. its a lot more than just "killing buildings.."
there are specific timings that you need to look for - understand why your opponent is doing what at XXX time .. is he getting gas a little too early or is he not? .. did you scout completely to prevent your base from being over run by 11/11 rax - 6pool - 4gate .. yatta yatta is he/she going to transition into a certain build out of what they are currently using if so What and how do you figure that out?
there is a lot more to sc2 than just that my friend .. you can go into deal with sc2 just as much as wow has and sc2 is way more complex than wow in terms of design and gameplay
i watched WoW tournaments back with MLG when hafu and those few players played in tournaments and i had no fucking clue what was going on but as someone mentioned before Commentators help tremendously in delivering a game and helping the novice players understand what is going on.. SC2 Casters are GREAT at doing this they explain what a certain build is .. why is being built - what its going to actually do .. they explain upgrades and everything in between to keep the audience involved in it and that is what WoW needs and that is what it certainly has among the number of players who are pretty great casters.
using your example you can simply say RMP vs TSG Trip DPS to a novice player
RMP Stands for Rogue Mage Priest
Basically the priest needs to survive the other teams cooldowns or else hes dead his team really needs to help him here ..
novice asks why - the armor they wear is weaker compared to the damage the other team can do.
pretty simple explanation to someone who has no idea wtf they are watching but can now understand simply .. dont let the white bar character die to the brown / pink / red.
if they have an interest further than that .. then you can go into deeper details
for someone who has never watched a certain sport what is the general thing someone mentions? Team A vs B and you give a general explanation of the gameplay .. you don't bombard them with plays and all of that and they can still enjoy the game.. it just has to be spectator friendly and have a little information to help some one along the way and it becomes watchable.