According to Chrome, this tab alone uses over 200mb.
This too, shall pass. The minimum amount of memory for a double buffered fullscreen surface at 8bpc on a 4k monitor is 48MB. RAM is meant to be used, and if it was not for memory hogs, the DRAM industry would be a decade behind where it is today.
Some of us have to run other programs besides Teams. /s
Sure, and when applications hog it, it prevents me from putting it to better use.