Who cares? This constantly happens on Twitter on a daily basis. He got to keep his job and income. In contrast, others permanently lose both.
If you're going to make bad faith comparisons to racists getting fired for being racists, at least have the audacity to point out what you think their offense was here. As far as I can tell, the only thing they did "wrong" was to be emotionally vulnerable and in the sights of a dedicated hate group.
Additionally, he had $120k while living in Japan and was able to afford medication. He was well off and wealthy.
https://archive.vn/MfUhq/f17247180a8722bcd4da98324db1b573ef6...
Along with Byuu's personal interest in using underage-looking characters for his own use, he also took the time to make a giant argument about the semantics and legality of lolicon and shotacon, which also is archived here.
If he was indeed harassed to suicide would this hold in court though?
Taking justice into your own hands is dodgy business. A guy has died. Will there or will there not be consequences? Was his sick fuckery worth it to ruin the lives of whoever contacted him? Because this may very well result in that