Yes, (a),(b),(c),(d),(e)......and in addition larger formations were also easier to spot from the air too (but).
Btw, No. 11 Squadron RFC/RAF was initially equipped with Vickers F.B.5 Gunbuses, F.E.2bs (both 2-seater pushers), and lastly Bristol Fighters.
Major Hubbard might have grappled with the conflict of whether his primarly mission was to perform as a fighter or reconnaissance unit (but it had to perform both).