Thank you for the time and completeness for that extraordinary defense of Catholicism. A well done does not suffice. You cite several searchers who have found truth in the fullness of the Catholic faith.
The convert, Cardinal Newman, has the words Lead, Kindly Light as the first lines in one of his poems. He wrote this poem while still a young Anglican clergyman. Later he was to say that converts come to the Catholic Church “not so much to lose what they have, but to gain what they have not, by means of what they have, more may be given to them...”
I say Lead, Kindly Light. And in Cardinal Newman’s following words ‘amid the encircling gloom, Lead Thou me one!
What is so extraordinary about it? Much of my career has been spent evaluating argumentation and Steelfish's arguments are horribly flawed (as many have pointed out in great detail) and therefore, ultimately and utterly non-compelling.
Personal testimony is of limited value. Counter-examples can be easily constructed - the Tiber is routinely crossed in both directions. There are several people on this thread who can provide their own personal testimony as to why they left the RCC.