A question about Internet plan?

Hello

Kindly read these example Internet plans below and tell me which one would you choose and why.

ISP Plan A

Unlimited
60+ Mbps speed till 30 GB
post 30 GB 60 Kbps speed with unlimited data.
Cost $30 /mo

ISP Plan B

Unlimited data at 1 Mbps speed.
No speed throttling.
Cost $50 /Mo

I just need to know which plan people would prefer the most.

Regards!!