Clarify the plan against the actual documents and applicable official instructions. Do not replace them with a general reassurance.
Resolve the concrete conflict in the schedule
Identify the exact document, proposed travel date and reason for delay. This page does not promise an extension or a new visa; use the real process before treating a changed move date as settled. An assurance is only as reliable as the material the adviser actually reviewed, so ask what documents were checked and what instruction or rule the reassurance is based on before treating it as settled.
A general statement that delays are common is different from a specific determination about the particular document and date involved, and only the second kind should influence a decision that affects travel or housing commitments. Where the adviser cannot point to a specific rule or instruction, ask for the source in writing, or verify the point independently against the applicable official material before relying on it further. Treat spoken reassurance as a starting point for further checking, not as the outcome itself, and keep a record of what was asked and what was actually confirmed in writing.
If a written commitment cannot be produced on the point that matters, plan around the more cautious reading of the applicable material rather than the version that is easiest to hear.