I must admit i'm getting tired of all the raid exclusive Pokemon too. If i could do raids in my local area on an evening I would do, however the nearest gym is 30+ mins away (which no one seems to raid at anyway!) That leaves doing raids in town after work, which rarely has raids at that time.
At present I only need Entei, Suicune and Raikou to have everything released so far in the UK. Raikou is next months here, sadly I've missed Entei and i'm yet to get Suicune this month.
I have considered spoofing, however i've got everything else legit, so it would ruin the game for me I think.
If i ever get to the point where i just don't care anymore i'll probably spoof to Japan like theSlayer is doing. I did go to Manchester, UK this summer to play the game, it's honestly such a different experience playing the game in a major city. Their was over 100 people on a street corner doing a Zapdos raid, then as people left loads more people came, it was so easy to get in to raids which was really nice.
Personally I think the game should scale to the area based on number of gyms and active players, so in a quiet area 2 or 3 people should be enough to do a 5* raid. Lets be honest even if you win that doesn't mean you will actually capture the Pokemon, so you still have to work hard to earn it.