Non re-cyclable packaging should be either banned or heavily taxed. We could massively reduce all packaging if suppliers tried, every fortnight our recycling bin, which is pretty big, is full, and there’s only 2 of us. If it’s cost effective to re-use milk bottles, it’s cost effective to re-use beer/wine bottles, and washing up liquid etc bottles could be refilled. In France you used to be able to take your own bottle and fill it with vin ordinaire at the supermarket.
The correct mantra is reduce, re-use, recycle