@fuggy Hey, I had a license of Manga Studio Ex3.0 in the past, and even teach it a bit in CG classroom (pre-2010). Manga Studio became CSP; so I know the fundamental of the software. No doubt it is good.
But...
I'm not using Krita since 12 years because it is superior technically, 14 years ago it was even far from even being able to paint on a 500x500px canvas; I use & contribute it because of its GPL license, freedom, native on GNU/Linux, part of KDE community, and because the team is 💜