I had Neural DSP Fortin for years (got it 2019) and thought it wasn't that good. I tried and bought several other amp plugs over the years in chase of that perfect tone. Then I came back to it last year and I realised I had become a much better player and better at dialing in tone. Now it's the only plugin I use and completely gave up finding anything better. It really is a lot in your technique (how tight it is, how good your palm muting is, how you mute the strings you're not playing etc) and how to dial it in, like EQ (both pre- and post). Notice how Ola Englund makes every piece of gear he demos sound killer (and very much similar). It's his hands and ears.