According to the CEO of Parler, banks and payment vendors, law firms, text and mail services also cancelled on them. This is why Parler also motivates discussion of alternative currency. This is an expression of freedom of association by multiple parties. Google didn't need to ask Parler's lawyers or bank to quit them.
Parler became a hot potato, and whoever is the last one holding it receives a full-court press from all sides.
Parler became a hot potato, and whoever is the last one holding it receives a full-court press from all sides.