60 years ago, the DH Comet was also popular with pax and crew; faster, quieter, etc.
Then design flaws caught up with it and it never recovered;
'Design flaws caught up with it' in 1954. I went on holiday in one in 1975, and I think they retired about 1980, although the RAF flew a highly modified version until a couple of years ago. Hardly an aircraft that 'never recovered'.
A friend of mine is an engineer who is qualified on the 787, and has made frequent visits to Boeing recently, as his employer has some on order. From what he tells me, the engineering solution is very sound indeed, and he is somewhat surprised that the
PR department are not telling the world about it. Even some informed professionals are still under the impression that the solution is merely to stick the battery into a 'firebox', which is quite incorrect.