Actually the oldest manuscripts are the MOST CORRUPT. Burgon, Scrivener, and many other conservative textual scholars established that by actually collating them against the majority of manuscripts.
The only reason the most corrupt manuscripts were promoted as "the best" is because of irrational hatred for the Received Text (TR) and the King James Bible (based upon the TR).
BURGON'S PREFACE TO THE REVISION REVISED
"My one object has been to defeat the mischievous attempt
which was made in 1881 to thrust upon this Church and Realm a
Revision of the Sacred Text, which—recommended though it be
by eminent names—I am thoroughly convinced, and am able to
prove, is untrustworthy from beginning to end."