When you do that sometimes there’s another invisible element covering the page that when deleted lets you scroll down again.
Also, try the element dropper/picker icon beside the element zapper, it does the same thing, except it sticks it into a list to do it automatically every time the page loads, also great for uncluttering needless crap on websites permanently.
They’re on one of the tabs for your lists if you need to undo one
There are many people currently in jail for crimes they have never committed, there are people who’ve been arrested simply for looking like the suspect despite not being them, wrongful convictions are an issue and everyone should protect themselves because in a lot of crimes people don’t want justice, they just want someone to punish.