French IGP: is it worth buying unappellated French wine?

They're from France, but not one of the fancy regions. Worth drinking?

What Meg's drinking: Santolin Gladysdale Chardonnay

Wines tasted: 

• Paul Mas Chardonnay $12
• Miraval Studio Rosé $27
• Marrenon Les Grains Pinot Noir $19
• Le Grand Roi Bouches du Rhone $12

Final drop: Hydropath Society 2019 Seeing Red Grenache

Follow us on instagram @winewithmegandmel