[fafzv]

They are not, because if you stay in 4G, your experience will only worsen with time.

[m348e912]

Exactly, the same way 3G became unusable for internet anytime your phone reverted to it, even thought at as a protocol it is perfectly appropriate for things like loading basic websites. Throttled 3G makes 4G look amazing. Rinse and repeat for 5G.