It's yet another attempt to step back to two-tier. (It's the usual thesis-antithesis cycle. First, we had that, then we figured out it doesn't work so we turned

It's yet another attempt to step back to two-tier. (It's the usual thesis-antithesis cycle. First, we had that, then we figured out it doesn't work so we turned towards three-tier then we saw that was pretty tedious so we started to look at two-tier again. But this time in a disguise.)