"Despite these positive experiences, however, we aren't arguing that we are certain that microservices are the future direction for software architectures. While our experiences so far are positive compared to monolithic applications, we're conscious of the fact that not enough time has passed for us to make a full judgement."
It is pretty clear the architect in question appears to have misinterpreted how proven Fowler believed microservices architectures were at the time.
"Despite these positive experiences, however, we aren't arguing that we are certain that microservices are the future direction for software architectures. While our experiences so far are positive compared to monolithic applications, we're conscious of the fact that not enough time has passed for us to make a full judgement."
It is pretty clear the architect in question appears to have misinterpreted how proven Fowler believed microservices architectures were at the time.