Should a video producer "niche"?

GRUMPY FACE... She doesn't want to "Niche".

To niche or not to niche, that is the question...

One of the interesting bits about working in video production is experiencing little bits of everyone else's lives... wins, loses, milestones and more.  And to me that's a perk.  

So what to do with the bombardment of advice to "NICHE, NICHE, NICHE"??  Video is video, right...  there are businesses out there that need web videos, social videos, online course videos blahdiblah... but are there ENOUGH businesses in my radius of practice (ie 15km from Manly!) in the same field to justify my niche-ing?  

To illustrate: On my roster lately...

• lingerie (sorry can't link the videos we made! check out Simone Perele Australia's facebook page for my most excellent close up second camera work!)
• physiotherapy (this one COULD possibly be a video production niche locally... there are a lot of physios: why are we Northern Beachers so physically strained?
• fitness (personal trainers could be a niche?)
• new product video (for a one-product business)
• kickstarter video (hush hush, not released yet!)
• event coverage (100 ladies with champagne and mood boards!)
• cooking 

And on my list of things I WANT to cover (enquiries gratefully received)...

• retreats (no questions needed)
• gin (ditto)
• more kids activities (who doesn't want to film kids having fun?)

Looking at this I suppose I could niche... but until it happens naturally I will not be hanging up my multidisciplinary video producer with-the-lot hat!!

​xxTC