I wonder how they get them off the wall intact? I took up a bathroom floor of (glazed ceramic) tiles and I barely had a piece larger than a handspan to show for

I wonder how they get them off the wall intact? I took up a bathroom floor of (glazed ceramic) tiles and I barely had a piece larger than a handspan to show for it, they were nearly all absolutely welded to the adhesive. Would be great if there could be a 3M Command Strip style pull-to-release tab!