>> Can't we just taka it on good faith that the engineers who do these blog posts have at least a modicum of competence and therefore their solution has some merit
On a technical resource, no. In a technical article, technical points need to be explained. Decisions need to be checked.
Unless your argument is "it cannot be bad because it must have been checked by many people", we are totally in the position to provide any sort of constructive feedback.
If you want to give constructive feedback then have at it.
My comments were aimed at the shallow dismissals at the level to which I gave an example (and examples of which can be found in the comments on this post).
If a response to these articles is along the lines of "OMG they are using microservices, BAD!" then that is not constructive or useful unless you are trying to invoke Cunningham's Law (Or whatever the one was about getting help on a linux mailing list by saying something cannot be done).
On a technical resource, no. In a technical article, technical points need to be explained. Decisions need to be checked.
Unless your argument is "it cannot be bad because it must have been checked by many people", we are totally in the position to provide any sort of constructive feedback.