My tuppence worth is that WGT made a correct decision.
Credit "farming" that allows a CC (owner or member) to have 7 profile activity pages for the last clash that were just full of gifting passes and balls is just plain wrong as there is no way that person actually did it the patient and correct way that Unity Ads and their advertisers wanted - watching and listening to the ads presented?
I have turned off the sound and not really watched the videos and gotten 300 credits a day in the past, but I have to be honest and say that was only when I have clicked "watch another" when I was really watching the Seattle Seahawks play a football (American Football) game.
In a sense, a very good sense, those Sundays (well Seattle has a game on a Thursday and Monday this year as well, but most have been Sunday), I was being unfair to the advertisers on Unity and Unity itself.
People who open multiple emulators and farm enough credits to every 2 weeks to give away 7 activity pages worth of passes and level 91+ (among other balls) can and are ruining this game. They take away the fun and challenge of it.
A Clash can be fun, a Turf War can be fun, a round with mates in Alt Shot on Discord can be fun.
What is not fun is when one finds out that multiple players encouraged by others in their CC stack the odds against you by abusing what WGT (rightly) shut down.
The question really is what is your minimum daily requirement for credits earned to keep this a free game for you?
For me it is not much. 4,500 credits a month is way more then I need.
OK I will need to cut back on my add to the pot Tour Master and Under weekly tournament in our CC - but doing that is satisfaction - not what keeps me playing WGT.
For others if their satisfaction is finishing first, second, third or fourth in a Clash by farming credits while asleep all I can say is: put your money where your mouth is. <A link to the origins of the phrase I used.
As always just my opinion.