He took on pretty much any job which…
Could be great.
and some… eeeh… not so much
The big problem with Bluth is his egotism and vendetta against Disney trying to recapture the hit that Nimh was, which blew the Disney movie that premiered at the time and in doing so bungled a lot of projects. He's still relatively active and wants to make a classic animated Dragon's lair. Even though, Titan A.E. wasn't received well, you can't argue it looks great.
Also; Someone did some scenes of a Five Nights at Freddy's in Don Bluth's style and even though I can not stand that franchise…
This looks exactly like it should.
Maybe it's because the rats were still evolving out of a kind of 'dark ages' of their own. They all have pretty medievalesque clothing.
It was more Nicodemus could make things levitate and move like magic.