On this subject, I am certain it's up to a personal choice. But if I say so, chat just stops there.
So, pls let me offer reasons for my personal choice. I am so far a monogamist with iPhone since its inception. I am lucky to be able to afford anything Apple throws at me and price is the least consideration. But I use a "mobile" phone as a "tool", not for any entertainment purpose (contents consumption, people say). I love a smaller phone that fits in my palm and pocket. I do not watch video or play game on small screen. I have other and better devices for that purpose. With CarPlay, I use GPS even less on my phone. Heck, I used to love 4s. I went up to 7 but when SE (2016) was out, I jumped on it. Then Apple switched to even larger screen like Pro Max, but the stopper for me was the lack of touch ID. So, I currently stopped at SE2020. I never felt any inconvenience when using smaller phone but sheer convenience only. Part of my reason for ignoring large size phone was a brief flirting with Blackberry which was a loan for me while my new iphone was being repaired. I immediately joined Crackberry forum. Initially, I think it was a 9780 or something but I purchased 9900 when it came out, until the demise of old S/W. I found the reason why so many lawyer/accountant type were using blackberry, besides the security reason. I did not care much about physical keyboard or tiny screen etc. But the structure of the user interface was superb. I returned to iPhone with the demise of 9900 and joined this forum, mostly as a a lurker. In any case, in my case, "size does matter", and believe "mobile" phone has to be a reasonable size, i.e, small palm sized.