Mint sucks!

No benefit to using it over Ubuntu.

Upgrades often have issues, are every 6-8 months, and:

To upgrade to Linux Mint 20 you need experience with APT and the command line. https://linuxmint-user-guide.readthedocs.io/en/latest/upgrade-to-mint-20.html

You get delayed updates - lacking up-to-date software features. Typically, one or two releases behind Ubuntu which is already behind. This also makes it less secure.

They distributed malicious software: https://www.neowin.net/news/linux-mint-website-hacked-malicious-iso-offered-on-saturday/

It's large / bloated

Often breaks from PPAs

No fractional scaling