Proof of account ownership: https://www.breitbart.com/tech/2017/01/19/gabe-newell-hints-at-his-regrets-about-the-half-life-franchise-in-reddit-ama/
He is giving money to this extremist dipshit: https://www.reddit.com/r/questionablecontent/comments/m7o04m/anyone_ever_wonder_if_gaben_still_reads_qc/grffmxi/?context=3
Fun fact, the creator of this boring webcomic has a reputation for being abused by his own shitty fanbase: http://badwebcomicswiki.shoutwiki.com/wiki/Questionable_Content
The biggest red flag here is why does GabeN have such terrible taste?
On the other hand he's almost certainly rich enough to waste money on content he never actually looks at to notice it's shit.
He admitted he reads it in the reddit post.