I was both interested in Blindy's feedback, as well as disappointed that he had reached this conclusion. It is it's good that he spends the time on here, his viewpoint is unique.
Having thought about it, I can understand how he reached this conclusion, not that it in any way justifies it. It is the same company that provides staff in both lounges, but there are more staff members in GC, it's bigger and more used. Furthermore there are more disabled passengers in GC, sometimes BA puts non status disabled passengers there if there is an irrop for example.
The staff are segregated by lounge (there is some movement between them) and so the GC staff have probably better experience of it. Disabled passengers in GF are a bit thin on the ground, and more likely to be wheelchair users, numerically. Furthermore the serial travellers in GF simply don't need much help, they know the system, know where the food and drink is, and normally need very little assistance.
I would raise it in a comment online, but even better: if you get the time, and you have just had an example of the difficulties, ask to speak to the duty Lounge Manager "so I can explain some of the issues that blind passengers face". There is always one on duty, if you are lucky you will get the head honcho but he's on a shift system The front desk is supposed to summon the manager if there is a good reason for doing so. I genuinely suspect it hasn't been thought through, and I would like to think they need a bit of educating more than you do!
It would be also good to know how you would change it. Here's one thought I have: issuing you with a bleeper so that a dedicated BaxterStorey person can track you down when you need help?