Why do we need another browser engine written in C++?
For example, here's some bugs raised by Andreas Kling in the HTML spec that were found while building Ladybird:
https://github.com/whatwg/html/issues?q=is%3Aissue+author%3A...
This is even more so for small projects that didn't have the decades of security hardening of Firefox/Chrome behind them, and now people go to these projects assuming their security is on par with Firefox/Chrome.
I find Rust people to be really annoying these days if you can't even write software in the language you want to write without being a burden to society.