This has been discussed here several times before. See these discussion (just a selection):

https://www.researchgate.net/post/How_many_researchers_think_publishers_journals_should_pay_for_their_content_and_also_for_peer_review/1

https://www.researchgate.net/post/If_there_is_ever_going_to_be_a_time_peer_reviewers_will_be_paid_for_their_services_the_time_is_now/1

https://www.researchgate.net/post/Should_journals_pay_for_peer_review_work/1

https://www.researchgate.net/post/Why_open-access_journals_reviewers_do_not_get_paid_for_their_job/1

https://www.researchgate.net/post/Why_dont_journals_pay_reviewers_and_still_sell_publications/1

https://www.researchgate.net/post/Why_dont_journals_pay_to_reviewers_as_they_bleed_authors_for_publication_fees/1

See also:

https://www.researchgate.net/post/Why-the-article-reviewing-peer-review-in-Journal-and-Conference-is-a-voluntary-work/1

https://www.researchgate.net/post/Reviewers_participation_should_be_considered_too/1

https://www.researchgate.net/post/What-are-the-benefits-of-being-a-reviewer-for-a-journal/1

https://www.researchgate.net/post/Rewarding_the_work_of_the_referees/1