The Boeing 737 jetliner, introduced in 1968, remains one of the most utilized commercial aircraft 56 years later, albeit with several modifications. In contrast, its competitor, the Airbus A320, was introduced in 1988, making it 20 years younger. As someone who is not an aviation expert, but from a passenger's perspective, I feel uneasy about heavily modifying an old design. It seems akin to applying a 'Band-Aid' solution. The primary driver behind these modifications was competition. Airbus introduced the A320Neo, equipped with a LEAP engine - a significantly more efficient engine that promises substantial fuel cost savings for airlines. Faced with no ready alternative and recognizing that designing a new model would take years, Boeing was pressed for time to compete with Airbus. Their so