… the play’s true content was abundantly clear to contemporary audiences. “Not for years have I observed such an outbreak of horrified protestation at any play", wrote the Sunday Referee. “The association between the man and his adopted son is such as to fill normal-minded people with abhorrence”, wailed the Evening Standard. “Only Shairp’s tactful handling of a very unsavoury theme can have got this play past the censor", said The Times. Or, as James Agate put it: “perhaps one cannot expect a playwright to go the whole hog when too obvious a hint of the cochon might suppress the animal altogether.”
The TLS Historical Archive (back to 1902) has only become available today! I am unsure whether I can link to it. But for any who have access to Gale databases, the document number is EX1200470024.