Must be talking about catholics.....
He, that being often reproved hardeneth his neck, shall suddenly be destroyed, and that without remedy.
And most RCs leave due to the overall spiritual deadness of Rome. And they do leave for better pasture, or none at all. Sources below are in small italics, and the up arrow ^ refers to the last referenced source above.
Those who have left Catholicism outnumber those who have joined the Catholic Church by nearly a four-to-one margin. 10.1% have left the Catholic Church after having been raised Catholic, while only 2.6% of adults have become Catholic after having been raised in a different faith. Pew forum, Faith in Flux (April 27, 2009) http://pewforum.org/uploadedfiles/Topics/Religious_Affiliation/fullreport.pdf
4% of Americans raised Catholic are now unaffiliated; 5% are now Protestant. ^
Over 75% of those who left Catholicism attended Mass at least once a week as children, versus 86% having done so who remain Catholics today.^
Regarding reasons for leaving Catholicism, less than 30% of former Catholics agreed that the clergy sexual abuse scandal played a role in their departure. ^
71% of converts from Catholicism to Protestant faith said that their spiritual needs were not being met in Catholicism, with 78% of Evangelical Protestants in particular concurring, versus 43% of those now unaffiliated. ^
Only 23% (20% now evangelical) of all Protestants converts from Catholicism said they were unhappy about Catholicism's teachings on abortion/homosexuality (versus 46% of those now unaffiliated); 23% also expressed disagreement with teaching on divorce/remarriage; 16% (12% now evangelical) were dissatisfied with teachings on birth control, 70% said they found a religion the liked more in Protestantism.
55% of evangelical converts from Catholicism cited dissatisfaction with Catholic teachings about the Bible was a reason for leaving Catholicism, with 46% saying the Catholic Church did not view the Bible literally enough.
81% of all Protestant converts from Catholicism said they enjoyed the service and worship of Protestant faith as a reason for joining a Protestant denomination, with 62% of all Protestants and 74% Evangelicals also saying that they felt God's call to do so. ^
Almost 20% of all Latino American Catholics have left the Roman Catholicism, with 23 percent of second-generation Latino Americans doing so. http://www.baylor.edu/content/services/document.php/33304.pdf
54% of Hispanic Catholics describe themselves as charismatic Christians. http://pewhispanic.org/reports/report.php?ReportID=75
51% of Hispanic Evangelicals are converts, and 43% are former Catholics. ^
82% of Hispanics cite the desire for a more direct, personal experience with God as the main reason for adopting a new faith. Among those who have become evangelicals, 90% say it was a spiritual search for a more direct, personal experience with God was the main reason that drove their conversion. Negative views of Catholicism do not appear to be a major reason for their conversion. ^
The same could be said by NT souls who came to Christ, to the glory of God.