This might be true for some type of companies but in general it's absolutely not true. Not in my experience anyway.

Check out Scaleway (France). They have by far the broadest range of managed services with full permissions/IAM integration etc. - it is the closest EU match to AWS. Yes, if your entire existing setup depends on once specialized AWS service (i.e. DynamoDB) you still will need to go with AWS, but when building from scratch it's a different story.