The Mandalorian is the first step the franchise is taking to "Clean the swamp" With nine movies and several past series and games all steeped deep in the skywalker arc, That became the problem with the franchise. The movies weren't getting worse, in fact, they were getting better, but the story was a 40 year-long arc that all tied in, People were getting sick of it,
This New series isn't caught up in all of that, It's a fresh take on the universe and it's telling a different story, And that's what people have been craving, something to expand the star wars universe. The obi wan series will hopefully take a few notes from The Mandalorian.