Block validation failed when using the block inserter

[bobbingwide]

Block validation: Block validation failed for oik-block/blocklist (Object).

Content generated by save function:

and then a load of HTML.

See also bobbingwide/sb-toolicons-block#1

[bobbingwide]

One explanation for the invocation of the save function is because I'd coded example: {}. This causes the block to display a preview using default attributes.

I removed that code but it's still calling save().
And it continues to produce the block validation failed message.

[bobbingwide]

The differences betwen the generated by save and the retrieved from post body HTML
are that the links to the blocks are different

generated by save: https://s.b/wordpress/2020/09/24/address-oik-block-address
retrieved by post body: https://s.b/wordpress/?block=block-listaddress-oik-block-address

Perhaps the block list should default to not creating links.