Waiting for the Imam Who Has Entered Ruku'

The questioner:
The Shaykh (may Allah have mercy on him) said: The imam of a mosque asks about the issue of waiting for a latecomer, which is a matter of certainty for some scholars. He said that this falls under the category of showing off (riya'), and that the prayer is sought by waiting for him. Some of them say not to wait for him, because the ma'mums (those praying behind the imam) in the front rows have more right to the space than this latecomer. As for the one who says:

The Shaykh:
"If the Messenger (peace and blessings be upon him) was intended, because the Messenger (peace and blessings be upon him) used to wait and not raise his head from bowing while he heard the sound of footsteps," this statement is ugly. This statement is ugly and it is not permissible to say this.
And as for if it is difficult for the ma'mums, the jurists say that he may wait as long as it is not difficult for the ma'mums. If it is difficult for the ma'mums, then considering the situation of those with him is more important than considering the latecomer. Yes. But his statement that this is showing off is difficult to accept. Did the Messenger (peace and blessings be upon him) wait so that he would not hear the sound of footsteps? Does this mean that this was showing off by the Messenger (peace and blessings be upon him)? Yes.

The questioner:
And that what you returned to in the hadith is a narration of the action of the Prophet (peace and blessings be upon him), and the Companion understood it from this hadith.

The Shaykh:
May Allah keep you safe. As long as it is established from the Messenger (peace and blessings be upon him), that is sufficient for us. We do not accept your interpretation and your arrogance. Yes.