Ask HN: Any veteran feedback from the SOA era?

My old grumpy mentor from France Télécom was often joking about the failure of the SOA Java stack (and particularly the state of RPC and Service Buses).

I don't remember his argumentation, but now that microservices put back SOA in fashion, I would like to hear some feedbacks and opinions about it.

What's different now which makes SOA more relevant ? What was good about the old tooling ? There's some very good pieces of blog about SOA architectures out there, are they still relevant ?