I'm pretty sure easy have similar small bases in NCE, TLS, OPO and SEN. I don't see why smaller bases are so problematic. I'd hazard a guess and say at least ten of Ryanair's are two aircraft bases and they don't seem to struggle.
Thing is with LGW the peak times are slot restrained with some first wave flights not departing until 0800-0900. This must have some impact on the efficiency of the based units at LGW if they're firced to sit on the ground for longer than needed.
What's the source of the quote EK77WNCL?