In my old work which was to be fair quite an honest garage. The owner had a bad habbit of trying to save customers money by fixing things with a bodge he was in love with liquid metal haha. I seen an old e class merc with an MDF cover underneath as it was rotten out and wanted an MOT. We had a car that had a broken clutch fork so in his infinite wisdom decided that cutting a spanner and welding it in there instead of ordering a new part would be a good idea ...... it wasn't. Ive seen people repair old body work with paper mashe!