Recommending certain guidelines or approaches is certainly fine. Self-reflection and self-improvement is usually an admirable goal but not at the cost of just doing the damn thing.
And, frankly, invoking seasoned professional authors is just silly when the topic is amateur blogging.
And let's not pretend unwarranted criticism—or even just unnecessary expectations—so often just ends up being unhelpful and literally counterproductive or, much worse, a form of gatekeeping.