What are the advantages and disadvantages of street shooting with telephoto lens?

Street shooting with telephoto lens has the following advantages and disadvantages:

Advantages:

-At a distance, you can shoot the subject without worrying about being discovered.

On the other hand, shallow depth of field can highlight the subject more.

-The three focal segments have their own characteristics, which can be determined according to their own shooting themes and shooting styles.

Disadvantages:

-If you don't substitute the background, the picture will lose its story.

-The telephoto lens is big and heavy.