England Test coach Brendon McCullum acknowledges India's exposure of flaws in England's cricket during their 4-1 series defeat. McCullum emphasizes the need for refinement and tough conversations after relinquishing strong positions in crucial moments. While recognizing India's prowess, he expresses disappointment over missed opportunities and a perceived timidity in England's approach. McCullum suggests a period of reflection and adjustment to ensure a more refined team for the upcoming challenges. The focus turns to personnel decisions, including the emergence of spinners Tom Hartley and Shoaib Bashir and competition for the wicketkeeper role between Ben Foakes and Jonny Bairstow.