There is anger from Amstrad users in general, because they feel that if more time had had been taken on the Amstrad version, we could have had a version that used the abilities of the Amstrad better, looked better, perhaps sounded better, and played as well or better than the Spectrum version.
On a more positive tone, those speccy ports had the merit to exist, or else Amstrad may would have a smaller games catalogue.
It is worth noting that Spectrum ports also existed on [[MSX]], Enterprise64/128, Thomson MO/TO and C64.