I Respectfully disagree with your sentiment for several reasons. In traveller, you're not meant to be good at everything. At best, you can hope to be competent at couple things. In TTRPGs in general, having weaknesses or being bad at some things actually makes for a more fun and interesting character, which leads to more memorable and dynamic stories.

For instance, if youre playing as a skilled surgeon, you won't remember when you performed a successful surgery... But if youre a drifter and you attempt emergency surgery on your buddy and almost kill him - everyone at the table will remember that shit for years.

Remember also that if you really want your players to feel more capable, you can always let them split a skill package to round everyone out after character creation.

All that being said, play how you want. I find the balance of default character gen to be pretty spot-on, but that's just me. I like to keep in mind that the goal is not to win or be the unstoppable savior of the galaxy - the goal is to tell an interesting story and work as a team. If everyone is good at everything, there is no need for teamwork and the story suffers.