Lore, breathing fire, spellcasting, natural mimicry, natural armor, different kind of visions, stone "feeling", and a shit ton more.
People acts like the only and sole defining feature of a race is a meaningless arbitrary bonus to stats.
Fixed ASI was definitely more impactful for a class choice than those abilities. It pretty much defined if a race was optimal for a class. I can understand why people who were used to archetypes are suddenly thrown off balance by seeing those made irrelevant. An half-orc wizard or a high elf barbarian really sounds out there to me.
