OPPORTUNISM

op ‧ por ‧ tun ‧ is ‧ m /ˌɒpəˈtjuːnɪz ə m $ ˌɑːpərˈtuː-/ BrE AmE noun [uncountable]

using every opportunity to gain power, money, or unfair advantages – used to show disapproval:

He accused the diary’s publishers of blatant opportunism.