To be fair, shows can happen at the Edinburgh Festival Fringe like that, it's just visitors like us would never bother heading out into the suburbs for an unknown act. Any place can be a venue, and there's no obligation for it to programme a whole day of shows. If you rocked up to the festival at the last minute without a venue, this might (naively) seem like a half-decent option (presumably he got it for free).
To be fair, shows can happen at the Edinburgh Festival Fringe like that, it's just visitors like us would never bother heading out into the suburbs for an unknown act. Any place can be a venue, and there's no obligation for it to programme a whole day of shows. If you rocked up to the festival at the last minute without a venue, this might (naively) seem like a half-decent option (presumably he got it for free).