Our local Morgan dealer told me that initial delays on supply of the Super 3 were because MMC didn't want a repeat of the premature release of the 5 speeder round about 2011/12 and the whole chain of early faults that blighted same.
Apparently several pre-production Super 3 models were built and staff were invited over a period of several months to take them home and put as many miles on as possible, allowing the opportunity to iron out pre-production bugs. Given this seemingly sensible and noble approach, why so many issues now though

Thoughts are that bulk supply of third party components compared with low volumes for pre-production are to blame, but the buck stops with MMC, as with the CX brake debacle also caused by third party suppliers/manufacturers. It seems within MMC there is too much reliance on batch supply being fit for purpose without adequate checking.