Some people like the waxes, I spoke to the owner Richard about them - they're trying to move into a space where they have some decent formulas but are avoiding using the one or two chemists that make most other products, hence the journey they're on.
I'm not a wax fan full stop, far prefer sealants but I like the surprise each month and, crucially, have discovered some brilliant products I now buy.
For example, would never have bought Autobrite Hellshine Pain glass cleaner but it is amazing.
Another example is the Nanolex Premium paint sealant - which I now also own 'in full' - but tbh the sample is what I'm still using as you hardly need any!