I'm expecting that, too, unless Sony comes with something that Japanese gamers really want. But so far, it looks just like more of the same, a Playstation 1.4, if you will. That's not enough to catch the attention of Japanese gamers.
Its gonna take more than that to be competitive in Japan, they would need to have a stream of EXCLUSIVE japanese games which used to be the case back on the PS3 era, where many japanese games would release on PS3 and Vita but once the Vita died and there was no Sony succesor for it all those games that used to be exclusve to PS ended up releasing on PS4 and Switch, which KILLED the one thing that made PS appealing on JP, all those sweet exclusive japanese games that ranged from fighting games, RPGs, Dungeon Crawlers, Visual Novels, dumb ecchi games etc.
In a way once the Vita died so did what made PS (home consoles) appealing in Japan, and i say it because all of those games used to have a handheld version and since there was no Vita 2 then Switch it is, so they went from exclusive to multiplatform.
and lets be honest the truth is that even if sony created an extra 6 japanese first party studios that focused solely on making japanese centric games they still wouldnt stand a chance against Nintendo, simply because almost all (if not all) first party games from Ninty appeal to the Japanese not to mention the popularity some of those games have like Pokemon or Mario its just not even a competition at this point.