Question 14900HX temps and concerns

For the past 5 years, since the 10th Gen Intel processors as well as AMD's Ryzen APU's for the laptop are known to run at 100 Deg C, and are deemed normal behavior by both camps.

One of the things you can do is undervolt, use higher quality thermal paste or liquid metal, prop the rear of your laptop up with an eraser to allow for cooler ambient air reaching the intakes for the laptop.