Not quite--SEGA is known (or was known) for innovation. They took risks (definitely related to the large gambling presence) and while it may not have always panned out, the decisions they made are still relevant today.
As for DC2, boii, what? If I announced a Dreamcast mini and Dreamcast 2 to be in development, you have no idea of the waves of people who'd be eagerly awaiting.
You aren't the world and neither am I--there are people like you and there are people like me, as well as others and most would welcome SEGA's return to console exclusives.
To add to that, yeah, they'd have their IPs, but they'd also know there'd be a reason to give more ideas a chance.
Do you know of a world before Xbox? People thought the same thing you're thinking about SEGA--"Microsoft needs to stay in their lane! Make computer games, idiots!"
And look where we are now.
Experience this world, but understand, there are a lot of people who have ideas beyond yours. Just because you think SEGA would do the "obvious", doesn't mean they would. There's so much shit that happens in this world you don't know about until you are
actually in it. What I mean is, I had no idea of the work that goes into doing all of
this. I really never thought of all the work that goes into making anything possible.
Sure, Farmer Joe makes a decent living growing apples, but how much work goes into just that? Thin about it. Think about all the equipment, pesticides (or lack of), knowledge and time it takes to grow a decent apple, then couple it with how much work goes into selling that apple for a profit.
Also, people have lives--shit sucks for everyone, all around the world when you realize someone is always trying to fuck you to make their own life easy. That's how it is; welcome to Earth.
So in the end, you have to realize, we try our best, but sometimes, it just isn't possible to have consumers, investors, producers (figure it out), general public (with limited knowledge), and everyone else happy while you have to keep a roof over your head and your own shit under control.
I just saved you 15 years; you're welcome.