There's a way to pin sections to the nav bar. So you can pin EC2, IAM, RDS, and VPC up there if you mainly use those 4 services.
It's a bit of a nightmare, as a support engineer, to get access requests for AWS services you've never heard of before. "Need access to AWS services: Cloud9, Memento, Athena, and Pandora Nexus." Each having a completely unique set of granular permissions to fumble over means most users get full permissions to the requested service until the auditors complain.