Yeah, that’s basically the same problem I had (and everyone else has).
Trouble is, you drop the air pressure to compensate for the damper feeling harsh and you end up with a fork that’s way to soft in the mid stroke. You run into the harsh ramp up at the end of the stroke all the time which adds to the harshness overall.
Even once I’d sorted the damper for something with actual support, although it rode a million times better, it still didn’t really fix everything. I realised that the air spring was a bit rubbish too. For me, it needed more negative volume which I guess is why things like Luftkappe and Secus are so popular.
Having given up and bought a Mezzer, I have no experience beyond the C1 airspring so maybe (hopefully) things have improved…