I'm glad you've come around a bit. At first, you said the fiber pad "ruined" the hit, rather than "changes" the hit.
No worries, and I agree with you. The fiber pad does change the hit, makes it a bit more compliant, if it's done right. And the choice of glue has an effect as well, the super glues and epoxies produce a harder, crisper hit, and Tweetens is a bit more flexible, softens the hit a little. Carpenters wood glue is a bit inbetween, but you have to have the right materials, large wood tenon, fiber ferrule, or other than will accept it.
I don't think you're a bad guy, but I think you jumped the gun by saying my advice could "ruin" something, when the OP was asking for help. My experience in putting tips on cues with and without pads, goes back to 1970. That's 43 years; every combination you can think of.
Respect my advice, and I'll be glad to respect yours. Please think carefully before you use the word "ruin" if I've given advice. Those who do will get a debate.
All the best,
WW