The honeycomb-dot-io case was bad, I attended their conference once and it was like I'd been suckered into a neverending timeshare sales tour. Thankfully I haven't noticed the domain on the frontpage lately.
Compare:
https://news.ycombinator.com/from?site=honeycomb.io
https://news.ycombinator.com/from?site=metaplane.dev
Both look like they want to game HN pretty hard. If only they'd publish actual novel or interesting information instead of thinly veiled SaaS marketing!