Intellectual transparency is part of the likeability of an author. Part of being intellectually transparent is elucidating your reasoning for external examination.

The density of self-promotion also affects the likeability of an author, and is part of signal to noise ratio.

Weinstein has been far less forthcoming than Mochizuki, but he has already gotten far better treatment, and Mochizuki is an actual career mathematician. [1]

One can view intellectualism as an activity of moving things around your head, and being correct in your own little world. Or one can view intellectualism as an activity of contributing to the cultural tapestry of knowledge. Regardless of merit, perhaps one of these positions is more likeable than the other.

[1]: https://www.math.columbia.edu/~woit/wordpress/?p=12220

As opposed to, you know, providing proof for your claims?

Are you saying you buy Weinsteins claims?