It seems like maybe just trade offs. We may want our Recto’s tighter, but if we were told beforehand that the trade off would sacrifice growl and richness in tone or make it more filtered, we’d say I’ll just stick to boosting it, thank you very much. Same with Marshall’s. This is I think partly why some modders like Cameron and few others are considered by many better. They don’t distance the mids as much (still do imo, just not as much so) or as much other qualities, but still not perfect IME
If anything, I’d actually like a mod that makes the upper mid kerrang even better/stronger if that’s possible lol. That’s part of what makes Marshall’s great and distinctive to other amps. A lot of these mods kind of take away qualities that makes the donor amps unique in the first place in hopes that it’ll please other’s complaints