Hundreds of thousands of healthy cats and kittens are destroyed each year because they can't find homes. Kittens make delightful gifts'. Kittens are not toys that can be forgotten when the novelty wears off. Most were never truly wanted by the recipient in the first place. Hundreds of ill-considered gift kittens are put out with the trash each year.
Males are friendlier'.
If the cat is desexed, its gender makes no difference. It's how you treat a cat that makes the difference. My pedigree cat has mismated, she's ruined forever'. Litter-mates may have different fathers and this is sometimes noticeable. The Victorians believed that mismated females would produce mongrel offspring forever after, despite mating with a pedigree stud for her later litters.