[kjkjadksj]

If you have a feed reader system there is no need to subscribe in the first place. You’ve obviated that system.

[poulpy123]

not if you want to keep your youtube subscriptions for a reason or another

[kjkjadksj]

Why though? You already have the feed urls. A list of urls is the same a subscribing to channels essentially. Both do the job of letting you know a new video is released.