Since 50ft is legaly the start of the landing phase, then if I
havent got a clearance BY that point I go around regardless.
Its kept me out of trouble over the years while Ive seen
others whove used flawless logical commonsense and good
airmanship end up in it.
"Logic and commonsense" arguements have no part in any
bureucratic Enquirey Board if you upset a ATC stickler, and
never will nether.