weight has nothing to do with it, at least as far as I could tell, go test drive one and you'll see
until then, is it even smart to have an opinion on something you have not even tried?
You only need two tools in life - WD-40 and Duct Tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
Gone but not forgotten..
1974 2002, 1987 325ic, 1987 325is
1995 M3, 2001 X5, 2007 MCS R56