Yes, cap table is the same as capitalization table. They can get very messy as time goes on. You have new investments (from both new and existing investors), changes in terms, etc. Compound that with the fact that there are a lot of different ways you can present the information. So if you're looking at one company's cap table, it can take some time to work through it and understand exactly who owns what and make sure it's correct.

Think of it kind of like being able to access a website's information through an API vs having to scrape and parse data from HTML.