Most philosophers of science have been on the receiving end of this question at one time or another. A friend of mine recently called it a type of hate speech. I think my friend was joking. But maybe not. Philosophers of science struggle to get into grad programs, to obtain jobs, to earn promotion and tenure, to be perceived as "central" and important figures in the field, all because their work is not seen as philosophical. So, while it may not be hate speech, it is speech that does genuine harm.
This isn't a new issue and it's one that others have touched before. But a number of recent events have brought the issue to mind for me and emphasized the importance of continuing to discuss it. One in particular was a conversation with a colleague whose opinion I value and whose good faith I have utter confidence in. And yet this colleague had doubts about an essay being philosophical even as I could see that it fell squarely within the domain of philosophy of science. The colleague was willing to take my word for it, but the fact that such a well meaning person had doubts really brought home to me the fact that this is (at least in some case) simply a lack of awareness about philosophy of science. Thus this post. I can't hope to fully convince anyone in a blog post length entry, but I can at least point to some of the other events that have got me thinking about this topic again.
The second event was the excellent essay "Philosophical Enough" by Subrena Smith, a recent Featured Philosop-her. Smith rightly points out: