He cites the Stephano Petraeus and Soulkey-Reality games as having viewership skyrocket - yeah, that's because the whole community was like "Wow, this game has been going on for 90 minutes, check out how AIDS this is." That's not a positive bro.
"Oh there was this one skytoss game that was badass" -sweet. good story.
Zerg needs help against mech right now I agree. The best solution might even be to just re-buff the SH for the rest of HOTS. Both of these facts absolutely do not mean that the swarm host is a good unit or a well-designed unit or that it creates fun and exciting gameplay.