It’s hard to say without knowing what settings you used. Did you set it to 200MP mode? If so that’s meant for kind of a perfect daytime lighting situation.
There are settings to make it shoot faster by default and a Pro mode to adjust the shutter speed manually too
Don’t do the FE.
S23+ if your priority is battery life S23 Ultra if your priority is camera and S-pen
Also we’re getting the S24 lineup in less than 2 months if you can wait