Yes, that's right, you go to head office and they give you an overview of their products and then ask you to demonstrate how to use them on a demo vehicle... what they didn't tell you is that these people who are being accredited are paying £1500+vat for this. The marketing angle is that these approved detailers only use the perceived best products and the fact they are approved means they are perceived to be the best. You're a prime example that their marketing works, given you've automatically assumed that the approved Swissvax Detailer for the OP's area is more than capable of doing the job (he might well be, to be fair). You'd also assume the same for the guy in my area too, and the next area, and so on... and that's how the marketing works.. and that's why some companies choose to pay and become 'approved', as it does generate work, by association with the brand - but that only goes so far, do a bad job and you simply don't get any repeat business.
Their policy hasn't changed, I doubt, I'm just simply pointing out how it actually works, given I'm in the trade, and have seen some of the completely shocking work some Swissvax Detailers have produced (locally to me). Fortunately reputation in this industry actually goes a very long way, much further than 'approved status', that's why I'm far busier than the company I mention and the majority of my client database has been built through recommendation.
I'm not having a rant here btw mate, I know emotion can sometimes be lost or misinterpreted in text, I'm just giving you an inside view of what really goes on behind the scenes. No malice intended
Autoglym SRP is only a very very light polish, infact it's an all-in-one really as it also contains fillers (like a glaze) and acts like a sealant. You'd be far better using an actual polish, something like Scholl S17+. You could use this on a tri-foam applicator and work it by hand to see if that resolves some of the deeper defects. I fear you may need to work it by machine though to get optimum results but it's worth a shot when the 250ml of the Scholl polish is ~£10, and an applicator a few quid more.
If you shared a picture with us that might help diagnosis a little...