I find that Mint is a good enough distro to ween people off of Windows to begin with.
For those coming to Linux, I would suggest Debian or an arch derivative. Ubuntu betrayed our trust in the past, I don't trust canonical, but make your own research. Here's when many lost the trust:
https://www.eff.org/deeplinks/2012/10/privacy-ubuntu-1210-amazon-ads-and-data-leaks
Discussion
If it's the Debian based version less worse. But around 2years ago they didn't patch a kernel update to correct meltdown and specter and mint was vulnerable for more than 6 months. Debian with the prebuilt image is as easy to install, but most people can't find that iso:
https://cdimage.debian.org/debian-cd/current-live/amd64/bt-hybrid/