This is believable. I have a personal anecdote regarding "Priority Delivery". This was about 2 years ago. After watching the driver go to another business and house before me, I messaged support and they refunded this priority delivery fee. The driving tip and base pay accusation can be easily verified by testing tip amounts and asking drivers what they are awarded.
To want to cleanse references to "Indigenous motifs or symbolism" as a community value brings about a touch of shame in me. It mostly weakens cultural memory and the ability of later generations to stay connected to the worldviews that these motifs carry. Taking away the symbols is like taking away the memory-keeping. Without them, it's much easier to forget the culture.
Modern cryptography solves this by using randomness (IVs, nonces, padding, salts) so that even identical plaintexts encrypt to different ciphertexts, eliminating predictable patterns.
The name of the paper contrasts with the paper that spawned Transformer architecture, which itself is a reference to the song "All You Need Is Love" by the Beatles. https://en.wikipedia.org/wiki/Attention_Is_All_You_Need