Take the issue of ETs, extra-terrestrials: naybobs tell us there is no such thing visiting the Earth. If just ONE is found doing so, the entire premise of none is negated. You want us to believe ALL faithful requests are granted yet the problem of Paul being denied healing because God said His Grace was sufficient negates you premise. Recall that Paul identified the thorn ‘in his flesh’.
Nobody knows what that thorn in the flesh is (possibly unending oppositions and persecutions that created much hurt and frustration “in the flesh” in Paul, as he details extensively earlier in the same book, 2 Corinthians).
Your flawed syllogism is Satan’s carnal way of trying to discount the Word of God, hindering others from receiving what God has for them and failing to glorify God in his goodness, grace, and power. God’s word states emphatically and with many examples that Jesus “healed all that were sick” because he “took our infirmities and bare our sicknesses” - physically (Matt. 8:16-17).
Again, you “make the word of God of no effect through your tradition” (Mark 7:13).