It only mentions non-Catholics twice and both times it is not an attack -- the second time says Who would convince me of their authenticity? It wasn’t the Baptists or the Pentecostals, and it wasn’t the Eastern Orthodox. -- note the "convince ME" - this isn't attacking the beliefs of those groups, just that the author was convinced by God in a different way - to the Church.
The article reads as one person's spiritual journey in Christ - to the Church.
There is no attack upon your or any other non-Catholic's belief system
The gallery doth
protest too much,
methinks.
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