

must know Java, go, JavaScript, Ruby, Python, or rust
Depending on the division you ended up in at the company I work you might need one or more of MSSQL, MySQL, PostgreSQL, C#, TypeScript, JavaScript, PHP, Ruby, VB.NET, Terraform, Groovyscript, or PowerBuilder.
You stated the reason yourself. Those are different values and matching in a case-insensitive manner is more work under the hood.