No. Optimistic, but in no way incorrect at all.
I think I see where you are going with this....
Yes, when 14k was all we had we trusted it implicitly to communicate, there was no faith involved in whether your email would reach its destination. No faith needed to see the website you wanted to view downloaded, if if it was busy and speed dropped to 2 or 3 bps. It would happen.
Then came 28k. The cutting edge... Then 56k... Then dual 56k... Then 256k dsl etc, none were wrong, but each was an improvement.