I have an ASUS Zephyrus G14. The TDP specs on the components are similar and it comes with a 180W brick, but it's able to keep under 80C for both CPU and GPU, the fans aren't running at 100% all the time, and the only area that really gets hot on the keyboard is in the middle towards the top where the components actually are.
The 180W capability seems overkill, it was likely thrown in to save on logistics.
EDIT: Quick google search says yeah, that's probably the case since the G15 which has beefier specs also uses the same 180W brick.