for it (telepathy) to exist, many well proven theories and principles in neuro workings would have to be discarded.

No they would not.

Telepathy has no basis in our present scientific understanding,

Consciousness itself has no basis in our present scientific understanding, so an obscure facet of consciousness that is not even under conscious control will obviously have to wait even longer.

One kind of telepathy is an established fact. Entangled particles can communicate their state one to the other.
It is not even limited by the speed of light! The communication is instant irrespective of distance.
It is an established fact, experimentally proven, but has no basis in our present scientific understanding. No-one has even a theory about how it is done.

Telepathy is considered a respectable subject for scientific research.
Describing people who accept its existence on the basis of compelling personal experience as "fools" marks you out as a fool.
Describing people who accept its existence on the basis of compelling personal experience as "nutters" to be "laughed" at marks you out as a ridiculous fool.