Each to their own. Is it sensible for over 18s to buy a two tone instead of getting their defence in 2 months and then buying a RIF?
Everyone has their own limit or rationale for spending on kit. Even though it is only airsoft, I still tend to spend more money on quality kit that I can use in 'the real world' hence my grey kit (although £125 for a pair of Arc'teryx trousers is really ridiculous considering my 5.11 Stryke trousers are better at £58, and a pair of Craghoppers is only £25).
When I started there were players in full MTP, plate carrier, dump pouch, rifle, sidearm, and proper gun bag/cases, etc, and looking ally, but no better than me when it came to playing. I was just in an old pair of Craghopper trousers, hoody and Gortex jacket and cheap assault vest which in the dark worked just as well. I was not intimidated by it, they had spent money on their load-out which is fine and I was new. The only difference is that they knew the site and had played longer. I have not come across anyone who has issues with what others wear, however, I am thick skinned so would not notice it. Likewise, not heard anyone talk down about players not wearing MTP or similar load-outs.