Even ignoring the indirect data correlate risk; it is also poor risk management to use one company for your entire digital life. It means having to keep actively abreast of what you lose access to in the event of an account ban & do contingency planning because correlated failures in systems are much more painful than random ones.
Better to just have 1 Google service you use and find someone else for the others. Their search index is a little better than DDG's I think, but the difference is pretty small compared to the risks you outline and the risk of Google going rogue and deciding I'm a Russian or committed some other similar crime & need to be booted from their services.
Better to just have 1 Google service you use and find someone else for the others. Their search index is a little better than DDG's I think, but the difference is pretty small compared to the risks you outline and the risk of Google going rogue and deciding I'm a Russian or committed some other similar crime & need to be booted from their services.