29/month is offensively low
So it's about staying nimble enough so you can easily switch over. Don't tie yourself down to a single product/harness.
That's why those plans are only available to small companies with 150 employees or less.
As far as I can tell, that's not the limit. A team plan may not have more than 150 members but the size of the company doesn't matter. I you have 150 people who need to use it inside an organization of 200, 500, 5,000, whatever, that's fine.
[0] https://finance.yahoo.com/news/accentures-ceo-says-using-ai-...