Coupling those things causes lock-in with little upside. My VPN and email provider have no symbiotic connection. Lift & Shift leverages the key value of the free market; competition. “Ecosystem” is marketing speak for captive customer, not customer value.

Diamonds are an excellent product with horrible labor practices. Decent people don’t use products made by malevolent companies. Moissanite is fine in place of diamonds for most uses, and it’s easy to replace Proton.