(replying to both you and the parent)
It's a possibility but pivoting to software isn't easy by any stretch, and it wasn't something Sega should have even been able to do (financially.) The only reason it happened is because Sega's biggest debtor, Isao Okawa, forgave that debt on his deathbed.
https://www.nytimes.com/2001/03/17/business/isao-okawa-74-ch...
In a slightly altered timeline where Okawa didn't do this, Sega would have went under and its IP's would have been sold piecemeal to the highest bidders.