No. It the time of the last living Apostle. If it wasn't taught by apostles or included in Scripture by Apostles, it is false.
...To believe that, you have to assume that all of the relics of the Apostles that exist to this day are frauds. Is that correct?
No. You have to assume they should not be idolized, prayed to, bowed down before, etc.
If Christianity went off the rails by 100 A.D., then Gamaliel was right.