Computers started out extremely expensive and only big companies and universities had them, but today even people in poor countries have them. AI could be different, but the state it is in today doesn't prove anything.
Great point, I'd also add that a lot of the big names are blowing up on the internet like ChatGPT but there are tonnes of open source stuff happening as well and a lot of the algorithms are published in scientific articles. In other words, there will be competition and it doesn't seem to me like it will be a winners take all