I always love reading opinions & impressions from people extremely passionate about their gear here. It is pretty exciting and I feel like I'm living vicariously hearing about these xyz audio upgrades for xyz sonic differences.
However, it is true that a lot of recommendations made around here are simply unreasonable for me (and I imagine most normal people) to pursue. A $900 pair of headphones is already extremely excessive spending. An additional $400+ amp is another very significant investment... I can't even begin to imagine having to go buy a pair of tubes that are $100-$200+ each or cables that are $250+ a pop, let alone experimenting with multiple tubes.
If recommendations are being made on non-stock gear, I think it would be extremely helpful for the poster to state that very clearly. It is unfair to endorse a product that has been modded or upgraded without saying that as people will get the wrong ideas/expectations & end up disappointed/frustrated. If X headphones actually does not match well with the Lyr stock, but the lyr is still being recommended, then I think it would be helpful to also state that the impressions/recommendations are being made with the additional investment of $X for X tubes or whatever else.
Just my 2 cents