Why build an FPV drone when GEPRC Mark 5 is this good?

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0:00 - 5" BnF are really freaking good these days
2:52 - Strong, well-designed aluminum front end
5:25 - Split top-deck design, but done right!
6:35 - The same high-low bottom plate design as Apex
7:17 - How are the arms attached
8:38 - Arms are 5mm carbon by 10mm thick and are well designed
9:51 - Hardware is 10-9 steel
10:42 - FC and ESC are both soft mounted and wires are neatly run
11:12 - Three variants: DJI Air Unit, Vista, and analog
11:23 - I hate the plastic motor wire protectors
13:03 - Why did they use a 2107.5 sized motor?
- In-depth discussion about how I evaluate motor sizes
16:16 - FC and ESC close look
17:56 - Flight testing
20:50 - Let's compare: GEPRC Mark 5, Diatone Roma F5 V2, and iFlight Evoque F5
21:46 - These things are the same no matter which version you get
22:38 - Evoque has 20mm FC and ESC; others have 30mm
23:21 - Evoque is the heaviest of the three. Diatone is lightest.
23:47 - GEPRC has most powerful analog vTX. Evoque is weakest.
24:22 - GEPRC is most expensive. Diatone and Evoque are cheaper.
24:47 - Which is best? GEPRC, Diatone, or iFlight
26:13 - Is there any point in building your own any more?