Per Section 4.2.2.1.2 of Version 2.2.8 of the BRs:
If a CA performs domain validation using a mechanism that can be represented by multiple labels (e.g. 'http-01' and 'ca-tbr-19'), the CA SHOULD accept any of the labels as granting permission to issue.
This is only a SHOULD, so we're under no obligation, but worth considering and formulating concrete reasoning if we choose not to do so.
Per Section 4.2.2.1.2 of Version 2.2.8 of the BRs:
This is only a SHOULD, so we're under no obligation, but worth considering and formulating concrete reasoning if we choose not to do so.