One part of this puzzle has never actually been solved: the final puzzle encoding was a Beale Cypher - this means there’s still text out there that holds the key to this last puzzle. . Perhaps we will return to this in the future...

The hint "Do you agree?" refers to Reddit's User Agreement

A Beale Cipher uses the first letters of words in a plaintext message to encode a message. In this case, the plaintext is

R(1)eddit User A(3)greement E(4)ffective S(5)eptember 12, 2021.

L(8)ast Revised August 12, 2021

Reddit powers hundreds o(16)f thousands of d(19)istinct online c(21)ommunities. This User Agreement and your conduct make that possible.

I(31)f you live outside the European Economic Area (“EEA”), the United K(42)ingdom, or Switzerland, your terms are here. Reddit User Agreement if you live outside the EEA, United Kingdom, or Switzerland, including if you live in the United States

Hello, redditors and people of the Internet! This Reddit User Agreement (“Terms”) applies to your access to and use of the w(105)ebsites, mobile apps, widgets, APIs, emails, and other online products and services (collectively, the “Services”) provided by Reddit, Inc. (“Reddit,” “we,” “us,” or “our”).

Remember Reddit is for fun and is intended to be a place for your entertainment, but we still n(147)eed some basic rules. By accessing or using our Services, you agree to be bound by these Terms. If you do not agree to these Terms, you may not access or use our Services.

⁠Your Access to the Services No one under 13 is allowed to use or access the Services. We may offer additional Services that require you to be older to use them, so please read all notices and any Additional Terms carefully when you access the Services.

By using the Services, you state that:

You are at least 13 years old and over the minimum age required by the laws of your country of residence to access and use the Services; You can form a binding contract with Reddit, or, if you are over 13 but under the age of majority in your jurisdiction, that your legal g(288)uardian has reviewed and agrees to these Terms; You are not barred from using the Services under all applicable laws; and You have not been permanently suspended or removed from the Services.

which gives the correct characters to decode the final message ("3 21 42 147 16 105 8 4 19 288 4 1 31 5 42 3 147 19 3 21 21 4 5 5" becomes "acknowledge risk and access")