It depends on how youre using it and what youre actively doing from what ive seen. Its common for it to get hot for those doing the initial, just bought phone and transfering data due to the amount of data transfered between devices.

The other way people see it is when gaming, one reviewer I believe had the phone throttle while playing genshin impact, and heavier gaming is becoming a bigger marketing tool for Apple recently, as its actively advertising Resident Evil on its phone, and theres a few more devs coming along too. While phone gaming is a minority in cellphone use cases, its actually considered the largest paying base when considering the entire gaming industry.