Adam presented his case for the lifetime pricing model in this podcast episode in 2023:

https://hackersincorporated.com/episodes/lifetime-pricing-is...

I believe he succeeding in convincing Sam and Ryan to adopt lifetime pricing for their UI course at https://buildui.com/pricing. I've purchased Build UI, and it was an excellent product, but unfortunately it appears to be completely dead for at least a full year now.

Neither the unannounced death of Build UI nor this apparently financial catastrophe for Tailwind bode well for the prospects of lifetime pricing! Although the problem might be more related to the entire market segment (frontend programming and design courses) than to the particular pricing model.