Might be a clearer as "How Soundcloud ended up with microservices". I was expecting a piece on the general trend within the industry.
I do agree that the title here is out of context but it seems any modification of titles is seen as editorialising.
Just because something is fashionable doesn't mean that's the reason people decide to use it.
I would argue that fashion drives most of our choices. We are not immune to it, if anything we are about the same level as teenagers IMO. Tech for whatever reason is very susceptible to fashion.