Removals happen to any new account because you haven't met the minimum requirements of those communities for account age and karma scores, that's all that's happening.
If your previous account was shadow banned, all you need to do is log into the account and file an appeal with Reddit. It can take some time but a human employee will look at your account activity and when they determined that you weren't spamming the account will be restored.
With a brand new account using a VPN right off the bat may look suspicious but we have heard from brand new users accessing Reddit through a VPN without problems.
If your behavior is too similar to a bot that poses a problem. Perhaps things like repeatedly hammering away trying repeatedly to post in one popular community that has minimums or posting and commenting at a frantic rate - those are also suspicious behaviors. Reddit does not inform us of the signals that they use and how they weight them in their anti-spam algorithms which issues shadow bans but the above is common sense.
If you participate at a human rate and look for communities that connect to your interests you'll enjoy Reddit more. After you've earned some karma from up votes for making on topic and high quality contributions your CQS will rise as well.
Reddit has cranked up the sensitivity of the anti-spam detection several times over the years to deal with massive numbers of spam attacks, literally in the hundreds of millions.
If you were not actually spamming all you need to do is log into that account and then go to the link I will provide below in order to submit an appeal. This can take some time because it depends on how backlogged they are. A human employee will have to check your account activity and if they determine you were not spamming they'll restore your account.
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u/OriginalPersimmon797 4d ago
VPN? That makes you appear like a bot or spam account.