Well, they do need some good trained 'Teachers' over their, IMO learn to link, but any comfort you are right, I've long given up trying to upload pix here but try and link try the 'brave browser' its far more secure
I've noticed i cant upload through webpage no matter what I try but no troubles through app whatsoever, although I really could care less for the app because its just really not that great..dunno if this helps at all