question #3 Sahih al-Bukhari 6101, Book 78, Hadith 128 : What can be inferred about the importance of adhering to the practices of the Prophet from his reaction to people refraining from his actions?

The Prophet (ﷺ) did something and allowed his people to do it, but some people refrained from doing it.
When the Prophet (ﷺ) learned of that, he delivered a sermon, and after having sent Praises to Allah, he
said, “What is wrong with such people as refrain from doing a thing that I do? By Allah, I know Allah
better than they, and I am more afraid of Him than they.”