Athiests tend to go beyond this position. They tend to say that the believers are irrational.
Considering their indemonstrable claims of invisible beings, demons angels and magic, it's an obvious conclusion.
This may not be the case even from the athiests' perspective. They could have experiences that make their belief rational but are these experiences are not demonstrable to you.
I have asked and heard many explanations of those so-called experiences and they are little more than what their imaginations have conjured.
A theist claiming that their beliefs should somehow be proof for you is not correct - not do I see any proofs of God as very convincing.
No, their beliefs are usually the claims.
However one can, in general, belief in something that is true and is not demonstrable. They are many examples of this, phenomena that did not fit with scientific or other general beliefs at a certain time and were poo pooed by those not having the experiences. Later it was shown that these were true.
Codswallop! Can you provide the equivalent examples?
An honest scientist would say they cannot know for sure if there is a God or not or if a believer is making a rational decision to believe.
You're fallacy of a 'rational decision to believe' is just that, a fallacy. A scientist, honest or otherwise, would recognize that as a fallacy and would call it such.
I see a confusion (on both sides) of these debates between
what is demonstrable or provable
and
what is convincing for the experiencer
There is little confusion. The "experiencer" is delusional.