I don't think I ever heard any engineer leaving WMF, voluntarily or not, getting 18-month severance. I'm not sure why the CEO should. It's not like she is going to be destitute otherwise. I mean good for her for getting cool half mil just for leaving, but I don't see how it makes any sense for WMF. It's not like "nobody is going to want to be WMF CEO unless they are promised to get half mil for leaving", is it?

Generally WMF's salaries are on the low side - their VP Eng was getting 220K in 2020, and 255K in 2021, which is kinda low for a VP of a decent-sized engineering org - but that doesn't answer the question of severance.