it won't/wouldn't hurt somebody to do something

it won't hurt to (have or do something)

It is or may be good, pragmatic, or beneficial to have or do something. A noun or pronoun can be used between "hurt" and "to." (Also used with "wouldn't hurt," "couldn't hurt," "doesn't hurt," and "can't hurt.") I get that you like doing things your own way, but it won't hurt to have a helping hand now and then. I know that the managers are trying to cut costs, but it won't hurt them to treat the staff to lunch now and then.
See also: hurt

it wouldn't hurt to (have or do something)

It is or may be good, pragmatic, or beneficial to have or do something. A name or personal pronoun can be used between "hurt" and "to." (Also used with "won't hurt," "couldn't hurt," "doesn't hurt," and "can't hurt.") I get that you like doing things your own way, but it wouldn't hurt to have a helping hand now and then. I know that the managers are trying to cut costs, but it wouldn't hurt them to treat the staff to lunch every once in a while.
See also: hurt
Farlex Dictionary of Idioms.

it won’t/wouldn’t ˈhurt somebody to do something

it will/would be better for somebody to do something; it would be a good idea for somebody to do something: It wouldn’t hurt her to walk instead of going in the car all the time.
See also: hurt, somebody, something
Farlex Partner Idioms Dictionary
See also:
  • involve with
  • involve with (someone or something)
  • involved with
  • arrange for
  • arrange for some time
  • arrange some music for
  • back into
  • back into (someone or something)
  • add in
  • angle