Even if that wasn’t an issue, there’s the certain expectation that Waititi mentioned that all contributions to Star Wars stick to the tone of the original trilogy.
Of course, there’s a couple logical reasons why Taika Waititi had to be somewhat restrained in his contribution to The Mandalorian.
For starters, he’s not the only high-profile director working on episodes, so going too hard with his vision and style may have caused tonal issues across the full season.