The expense of tools, equipment and supplies can be a huge barrier to car maintenance but there is so much legitimately free software for computers (even ignoring the pirated stuff) that people never had so much opportunity.

If is like learning another language or a musical instrument, people have to be committed and practice to get good and few people can make the effort. Businesses have trained people to seek instant gratification from fast food, social media, tik tok, gambling, loot boxes, and consumerism in general because short lived and unfulfilling experiences produce an endless monetization opportunity. The rare people with the discipline and support to focus their efforts have massive advantages with access to information and tools which were very difficult in the past. There are some prodigies out there in a sea of mediocrity.