I'm sure they plan on an influx of transfers, they are having a 25% bonus now.
A lot of factors may trigger a more manual review, including:
1. High number of transfer requests in a very short period of time
2. Multiple transfer requests from individual accounts
3. High number of small transfer requests
4. Whistleblower
It's very possible more people are transferring now than before the ratio was devalued. How often have you transferred points to iberia before?