Will there be an issue with block producing nodes after EIP-3675 due to eth2 nodes having to now also fill/process blocks?

This is based on the comment here. Will there be an issue with block producing nodes after EIP-3675 due to eth2 nodes having to now also fill/process block, which is beyond the capability of the minimum hardware requirement (e.x. RaspPi). And if so, how will the affect the network?

According to the linked comment, an eth2 node can currently be run on a RaspPi, because the block filling/prcoessing is being done on eth1. But this won't be the case after the merge.