"Intel has been a TSMC customer for ages. The only difference now is that they even fab their crown jewels there too; and they have announced their merchant foundry ambition. I maybe a fifteenth class customer at TSMC, but Intel is not third class there, intel is probably in the top tens. So, what should TSMC do, kill them before they regain strength? Qualcomm is also shopping at Samsung, choke them off too? Companies compete and collaborate, usually, if they don't like the competition part, the solution is to buy it out! "
IMO, Intel will be treated as a third class customer because Intel and Pat Gelsinger's behavior.
In my mind, there are three classes of TSMC customers:
First class: Large volume, good profit, long term and large scale collaborations with mutual respect. I call it the premier customer class.
Second class: various order volumes, reasonable profit, normal business relationship, may have a long term strategical importance even it is small currently. I call it the regular customer class.
Third class: small, medium, or large volume orders but with a problematic relationship. This kind of customers many go in and out all the time as if they are choosing a fast food restaurant. From time to time the third class customer may go out in public to accuse TSMC is not a reliable source. Even worst, from time to time when there's a full moon, the CEO of the third class customer may be waving a kitchen knife in public to show his intent to kill TSMC. I simply call them the third class customers.