Perhaps nostr:nprofile1qqstnr0dfn4w5grepk7t8sc5qp5jqzwnf3lejf7zs6p44xdhfqd9cgspzpmhxue69uhkummnw3ezumt0d5hszrnhwden5te0dehhxtnvdakz7qgawaehxw309ahx7um5wghxy6t5vdhkjmn9wgh8xmmrd9skctcnv0md0 can provide more precise answers to this topic.
Discussion
Final has answered this question many times already. Pixels are the only Android phone with the secure element they require, and the only phone that lets you lock the bootloader with an alternate OS. It's in the GrapheneOS FAQ.
That thread is basically "I did zero research, but what about "question that's been answered a thousand times already?""
GrapheneOS wasn't created by Google. It's an open source project with full time developers in different countries.