Probably only want to keep the financially illiterate people who will keep their cash with them as they lower the rate well below what it should be.
Well maybe but still.. I dunno how much of the ISA market is people transferring ISAs from elsewhere or investing fresh money into ISA wrappers... It doesn't make any sense from an objective view to prevent a portion of potential investment for them to profit on?
Money is money at the end of the day, and the more people who put money into chip ISAs, be they new or old customers... The bigger the total pool of cash chip have to invest and make money on.
Very odd.
And even people who switch /transfer between ISAs to get better rates or whatever... There's alway healthy competition with ISA providers...
OK it might be that chip are offering the best headline interest rate in the future... But you can guarantee there will be 3 or 4 other providers with interest almost as good, with better terms, such as flexible, no punishment for withdrawals up to 3x per year or other little perks to the overall package.
It doesn't make any commercial sense to have a rule like this just to be spiteful?