To be fair, if you actually compare it to other gacha games, it is more forgiving than most, if not all.
The only monetization is the quartz, while other gachas has monetization for leveling, money, materials, weapons, equipment, other miscellaneous materials. and it bombards you every single time.
Other gachas have you grind the weapon, armor, accessory, level, skills, rarity and most of the time, the items are different in every pool. while in FGO, materials for ascension and skill level are shared pool, so it has actually less grinding, only the skill gems are a little hard to farm and grind. Doesn't actually need to grind to max level the craft essences as the effects are really what you are after, not the stats. In fact, compared to other gachas, FGO respects your time better as you can do the dailies in less than 30 minutes, compared to other gachas which can take 2-3 hours as they are designed to waste your time and to keep you playing the game for the day as long as possible . In FGO, the only grinding you really have to do is during the lottery events, just so to get those skill gems more reliably than doing the daily quests. In fact, when I used to play Azur Lane, doing the dailies can take 2~4 hours every single day as there are so much grinding stuff to do.
While FGO has no "pity" system like other gachas, it has not a lot of powercreep. And with the type of gameplay FGO has, it is more of team synergy rather than relying on powercreep like other gachas where they have to keep introducing new SSRs. Heck, in Gundam Wars, this year alone, they have released 104 SSRs, and every new one tends to powercreep from the previous SSRs. And to top of it all, you have to draw the same MS 10 times in order to max rarity it, which is essential in the gameplay to keep up with the events. In short, SSRs in FGO has more value than other gachas, not just because they harder to get, but each SSR can last you for a long time. In fact, the only disappointing SSR I find so far is only Arjuna, but he is still useful due to the fact he's a SSR.
Not to mention the fact, that in other gachas you have a character gacha, weapon gacha, armor gacha, accessory gacha, item gacha and they have equal importance to get most out of your characters, unlike FGO, where its gacha only has craft essence and characters.
TL; DR: FGO is the fairest gacha game than most, if not all. You are just most likely blinded by other gachas that give out SSRs like free candy but has little to no value at all....
ash cow Alter is a good choice, she is cheap and hit like a truck, Gawayn is now useful now that his nerf was removed (his numeral of the saint does not require you to be on a sunny map, once activate it the map become Sunny and you can use it), Sumanai has been fixed a lot but he is still very niche, D'eon is a tank but xir hit like a wet stick, Saber Diarmuid is also tricky to use but all his problems can be fixed with Skadi, Old man munemori is in a weird position, he and Lancelot are solid arts meme spammers but their utility went down with the inclusion of Saito, the guy has a insane NP gain and do the same of those two, you can literally spam his np if you level him up and nail arts chain
