This is not a question about how to insert images at the top, but rather asking whether or not this is common practice.
The template I've received from my university automatically inserts figures at the top of a page if no other flags are given using \begin{figure}[t]
as default.
Personally, I find it a bit awkward to be introduced to a certain image before reading about the respective explanation within the text. But I got a feeling that top-positioned images are the way one usually writes LaTeX documents.
At the end of the day, it's a question about preference, but I really want to know which of the two following is "the way to go": Left or right?