And how many pressurized bombers with a flight profile and carrying capacity similar to the B-29 did the Luftwaffe produce? Zero. If you read the article it go

And how many pressurized bombers with a flight profile and carrying capacity similar to the B-29 did the Luftwaffe produce? Zero. If you read the article it goes into the technical innovation introduced by this aircraft. It was not a slight modification of an existing design, but a total rethink of how a bomber jet could be designed.