Does acquiring a legendary increase legendary drop rates?

I was playing online with some other people, which gave me some legendaries (never touched one before that) then after I went back solo and went to kill Saturn and got a legendary shootin Maggie (I think from a garbage pile on the ground, it’s been a couple weeks) I googled it but it’s just that ai shit so it don’t know much lmao wanted to see if somebody else knew, Also I’m like level 50 and was level 49 at least but I see everybody else on this page finding legendaries at 20-30 It just didn’t happen until I got some