The burden of proof is on the people making the "selling points" to prove that they are true -- in this case, if the Go community claim that Go is easy to maint

The burden of proof is on the people making the "selling points" to prove that they are true -- in this case, if the Go community claim that Go is easy to maintain, the burden of proof should be on them. (Note: I'm not arguing for or against this point; I've never used Go, so couldn't possibly know)