Go has absolutely no claim to being C's successor. It is useless for all the things it makes sense to use C for. That's why it has attracted virtually no C programmers. Go is python's successor if user influx is anything to judge by.
That's a fair argument. Neither Golang nor D give you the control that C gives you. If that's your yardstick, then the only viable candidate at this point is Rust. But Rust doesn't feel or look anything like C, but more like C++ or maybe Scala.
Its not just the lack of control, the bigger problem is features that have been added in. There major use cases for C that go by its nature can not fill. It can not do bare metal programming or real time applications without major changes to the language standard. Go aims to be a superior system programming language than C but not a successor to C. No one will be doing audio codecs or device drivers in go, but I would consider it over C for a greenfield system daemon.
