"Best" is an opinion, not an absolute. "One size fits all" explains states that only one size is available. The marketing of this product is the equivalent of

"Best" is an opinion, not an absolute. "One size fits all" explains states that only one size is available. The marketing of this product is the equivalent of saying "we have shirts in sizes to fit everyone", and then turning away all the short people. I had a court appearance last year that I needed to attend using software that "works on every device". Not linux. Not older macs. Not the older windows machines in all the small law offices.