I’m wondering why people end up having hardware removed.

I’m wondering why people end up having hardware removed. I had surgery a year an a half ago and I’m constantly aware of my foot! It feels like there is a rubber band pulling between my big toe and the next toe. The skin around the arch of my foot feels ‘tight’. I went to see the surgeon and he’s sending me back to PT. I’ll start that up again next week, I had gone for therapy for months last spring. I’m curious getting hardware re