The problem is that they don't have anything to show for that studio acquisitions yet. People (outside of small places like this and Reddit communities) don't buy $500/€500 products based on hopes and dreams of what the shiny future might bring. You know the huge majority of people that make a console sell 100M+ instead of 30M+. They buy them because they want to play the next GTA, FIFA, NBA 2K, Mario Kart, Zelda, Uncharted, Horizon, God of War, Spiderman or Halo. That's why it's important that Sony keeps releasing games every single year even during the final years unlike Microsoft's last 2 generations because it makes the general audience think about the present instead of keep dreaming about a future that might or might not happen.
Then you have to add the new X factor into this transition: digital purchases accounts. You can't trade them in retail stores when you transition into a next gen and we know people that buy digital games are increasing YoY. So it's going to be even more difficult to have people "change sides" in this transition because they have to leave their purchases behind. It's like digital purchases are almost a lifetime subscription to a brand nowadays. That's why Sony are embracing backwards compatibility in this transition, they don't really care about what the consumer want (no company does, they do only if their needs match what consumer want...). They just know this is a big chip to make people stay within their ecosystem because they can still play GTA V. RDR2, Overwatch, R6 Siege, Destiny 2 online in their new shiny box without losing problem or spending extra cash. Of course some people will not care about this because they already don't especially over here, but the mainstream market are not going to change "sides" and lose their progression/money for a extra P's or fps (unless the difference is quite massive like day and night massive...)