Compensated saddlesor good enough for intonation

Did Leo Fender not know about intonation when he designed the Telecaster saddles? It seems to me that a cheaper and simpler solution would have been to use slantable 3-string saddles, like

Can I take the saddles out and replace with 3 saddles? Or do I need the whole bridge? : r/fender

Intonation fine tuning question

any baritone tele owners with 3 saddle bridge?

Telecaster string spacing — is this normal?, Page 2

If an acoustic guitar does not have a compensated saddle at the B string, will the intonation of the guitar be harder to perfect? - Quora

Compensated saddlesor good enough for intonation

3 Compensated Saddles for Telecaster, improve the intonation

Compensated saddles or 6 saddle bridge for Squier CV tele?