We're not throwing anyone in jail, no one's liberty is being compromised. As for the great thinkers of the enlightenment, I think you would find them squarely in the camp of both not putting people in jail, while at the same time supporting the actions of private citizens to suppress scientifically invalid information.
* "We are all born ignorant, but one must work hard to remain stupid." ― Benjamin Franklin
* "Science is the great antidote to the poison of enthusiasm and superstition." - Adam Smith
* "Being ignorant is not so much a shame, as being unwilling to learn." ― Benjamin Franklin
* "It is difficult to free fools from the chains their revere." - Voltaire
* "We swallow greedily any lie that flatters us, but we sip only little by little at a truth we find bitter." - Diderot
* "That Politics may be Reduced to a Science" - title of 1741 essay by Hume.
* "One unerring mark of the love of truth is not entertaining any proposition with greater assurance than the proofs it is built upon will warrant." - Locke
* "The supreme mystery of despotism, its prop and stay, is to keep men in a state of deception" - Spinoza
Shall I go on?