Because women don't volunteer their time for FOSS development, men are sexist?
He didn't say that.
Being called a "homosexual" is "abuse"?
Yes, if the caller uses the term in an abusive context.
The device most likely does not exist.
The picture clearly shows a LED display with a certain depth behind the transparent cover, but the cuff is far too slim for that.
Long computations which yield zero are probably all for naught.