Sila & (Non)Remorse AN 10.1 Suppose a person does certain acts that are not in line with the precepts but he does not feel remorse because it seems to the person as an trifling act, for example taking something from his/her parents without their consent or gossiping and lying (as skillful means for example).

What is the Buddhist answer to that? As I know, regarding lying and gossiping for example, it is quite clear that one shouldn't do it regardless of an alleged benefit.
Bikkhu bodhi issues a video mentioning precisely the topic of discussion

Anguttara Nikaya: Duka Nipāta, The Book of the Two (2018.07.07) Bhikkhu Bodhi

Sutta 77-

I do not recall at what time he talks about that. But his answer is that the kamma of somebody who does not feel shame of doing bad things as exposed by the buddha is worse than the karma of the guy who feels shame for the same acts.

This answer leads to the conclusion that dangerous are the people who claim that the feeling of shame must be avoided once you follow the path, and that other people who follow the path must not judge other followers.