It makes perfect sense. They fought the Revolutionary War to overthrow a tyrannical government. They understood what it took to overthrow such tyranny and enshrined in the Constitution the ability of future Americans to do exactly what they did. The Founders were men who,apparently, understood human nature much better than you (or I). They understood that, over time, even the limited federal government they worked so hard to create could become tyrannical because it would be administered by humans.
Some of the founders believed a revolution would be necessary and good just about every generation.
It seems to ME that you are happy to give up all your personal freedom to an all powerful federal government and willing to live under tyranny as long as it's convenient for you. Sad really.
EDIT:
He really said it:
Thomas Jefferson - “A government big enough to supply you with everything you need is a government big enough to take away everything that you have.... The course of history shows that as the government grows, liberty decreases.”
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Thomas Jefferson - “Every generation needs a new revolution.”
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And from Federalist 46, James Madison wrote in part:
"To these would be opposed a militia
amounting to near half a million of citizens with arms in their hands,
officered by men chosen from among themselves, fighting for their common
liberties, and united and conducted by governments possessing their
affections and confidence. It may well be doubted, whether a militia
thus circumstanced could ever be conquered by such a proportion of
regular troops. Those who are best acquainted with the last successful
resistance of this country against the British arms, will be most
inclined to deny the possibility of it. Besides the advantage of being
armed, which the Americans possess over the people of almost every other
nation, the existence of subordinate governments, to which the people
are attached, and by which the militia officers are appointed, forms a
barrier against the enterprises of ambition, more insurmountable than
any which a simple government of any form can admit of. Notwithstanding
the military establishments in the several kingdoms of Europe, which are
carried as far as the public resources will bear, the governments are
afraid to trust the people with arms. And it is not certain, that with
this aid alone they would not be able to shake off their yokes. But were
the people to possess the additional advantages of local governments
chosen by themselves, who could collect the national will and direct the
national force, and of officers appointed out of the militia, by these
governments, and attached both to them and to the militia, it may be
affirmed with the greatest assurance, that the throne of every tyranny
in Europe would be speedily overturned in spite of the legions which
surround it. Let us not insult the free and gallant citizens of America
with the suspicion, that they would be less able to defend the rights of
which they would be in actual possession, than the debased subjects of
arbitrary power would be to rescue theirs from the hands of their
oppressors. Let us rather no longer insult them with the supposition
that they can ever reduce themselves to the necessity of making the
experiment, by a blind and tame submission to the long train of
insidious measures which must precede and produce it."