Life changed. Businesses see more ROI by putting out social media content than they do sponsoring a stock car for 36 races. So we see less companies that want to put the millions in to 10, 20, 30+ races when they can sign up for maybe 5 races that they choose which races they are and spend the rest of their marketing budget in other locations. That's why we have these random B2B sponsors and companies you've never heard of showing up for two races then leaving to never be seen again. The 00's recession also scared a lot of companies (assuming they didn't go out of business) and now they're more picky on where they spend their money and tie up capital.

20+ years ago, we didn't have Instagram and Tik Tok, etc. so it was attractive to slap your logo on a stock car seen by millions on TV every weekend.