Besides that they do also run various thematic speedrunning shows on theirs twitch when they're not running The Big Marathons.

It's simply cold realistic take upon situation. That's all there is to it. E3 isn't some sacred symbol to industry, it was functional tool, and as this person pointed out, functionalities of it aren't really there any more.

So no, giving more proper extended answer isn't "being passionate about demise". He just gave properly detailed answer why.